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<li>The lamp bead is a very important accessory in the LED lamp. It determines the angle and efficiency of the LED lamp. At present, the single crystal lamp bead is more common in the market, which is a whole piece of crystal. The price of the double crystal lamp bead is relatively High, but the performance will be much better than single crystal.</li>
<li>According to experts, the color rendering of LED lamps can be determined by the authenticity of an ordinary object under the light. Generally, the higher the authenticity, the better the color rendering of the LED lamp. The owner chooses , you can test it directly.</li>
<li>As mentioned above, the brightness of LED lights is divided into several levels. When the owner chooses, it should be determined according to the size of the room, because whether the light is too strong or too weak, it will have a great impact on people&#8217;s vision. Effects, long-term use can lead to poor vision.</li>
<li>The lampshade is an important factor to determine whether the LED light source is bright or dazzling, and it is also a key point of decoration. When purchasing, it is necessary to look beautiful. At the same time, it is necessary to look at the light transmittance and light and shadow effects of the lampshade. It is recommended to choose light transmission Good rate, uniform luminescence.</li>
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